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13421597 = 75773323
BaseRepresentation
bin110011001100…
…110000011101
3221020212222012
4303030300131
511413442342
61155401005
7222040010
oct63146035
927225865
1013421597
117637932
1245b3165
132a1c097
141ad5377
1512a1b82
hexcccc1d

13421597 has 8 divisors (see below), whose sum is σ = 15370176. Its totient is φ = 11480832.

The previous prime is 13421591. The next prime is 13421651. The reversal of 13421597 is 79512431.

13421597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13421597 - 26 = 13421533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2378 + ... + 5700.

It is an arithmetic number, because the mean of its divisors is an integer number (1921272).

Almost surely, 213421597 is an apocalyptic number.

It is an amenable number.

13421597 is a deficient number, since it is larger than the sum of its proper divisors (1948579).

13421597 is an equidigital number, since it uses as much as digits as its factorization.

13421597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its digits is 7560, while the sum is 32.

The square root of 13421597 is about 3663.5497812914. The cubic root of 13421597 is about 237.6483106898.

The spelling of 13421597 in words is "thirteen million, four hundred twenty-one thousand, five hundred ninety-seven".

Divisors: 1 7 577 3323 4039 23261 1917371 13421597