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13801411 = 131061647
BaseRepresentation
bin110100101001…
…011111000011
3221222011222101
4310221133003
512013121121
61211451231
7225211231
oct64513703
927864871
1013801411
117877228
124756b17
132b22c20
141b93951
151329491
hexd297c3

13801411 has 4 divisors (see below), whose sum is σ = 14863072. Its totient is φ = 12739752.

The previous prime is 13801393. The next prime is 13801483. The reversal of 13801411 is 11410831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11410831 = 19757923.

It is a cyclic number.

It is not a de Polignac number, because 13801411 - 27 = 13801283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13804411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530811 + ... + 530836.

It is an arithmetic number, because the mean of its divisors is an integer number (3715768).

Almost surely, 213801411 is an apocalyptic number.

13801411 is a deficient number, since it is larger than the sum of its proper divisors (1061661).

13801411 is a wasteful number, since it uses less digits than its factorization.

13801411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061660.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 13801411 is about 3715.0250335630. The cubic root of 13801411 is about 239.8692053532.

The spelling of 13801411 in words is "thirteen million, eight hundred one thousand, four hundred eleven".

Divisors: 1 13 1061647 13801411