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13404901 is a prime number
BaseRepresentation
bin110011001000…
…101011100101
3221020001001211
4303020223211
511412424101
61155151421
7221640226
oct63105345
927201054
1013404901
117626334
1245a5571
132a145c3
141acd24d
15129bc51
hexcc8ae5

13404901 has 2 divisors, whose sum is σ = 13404902. Its totient is φ = 13404900.

The previous prime is 13404889. The next prime is 13404907. The reversal of 13404901 is 10940431.

13404901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10074276 + 3330625 = 3174^2 + 1825^2 .

It is an emirp because it is prime and its reverse (10940431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13404901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13404907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702450 + 6702451.

It is an arithmetic number, because the mean of its divisors is an integer number (6702451).

Almost surely, 213404901 is an apocalyptic number.

It is an amenable number.

13404901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13404901 is an equidigital number, since it uses as much as digits as its factorization.

13404901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13404901 is about 3661.2704079322. The cubic root of 13404901 is about 237.5497277221.

It can be divided in two parts, 1340 and 4901, that added together give a square (6241 = 792).

The spelling of 13404901 in words is "thirteen million, four hundred four thousand, nine hundred one".