13960431 has 10 divisors (see below), whose sum is σ = 20854592. Its totient is φ = 9306900.

The previous prime is 13960409. The next prime is 13960481. The reversal of 13960431 is 13406931.

It is not a de Polignac number, because 13960431 - 2⁶ = 13960367 is a prime.

It is a super-2 number, since 2×13960431² = 389787267411522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13960395 and 13960404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13960481) 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 9 ways as a sum of consecutive naturals, for example, 86095 + ... + 86256.

Almost surely, 2^13960431 is an apocalyptic number.

13960431 is a deficient number, since it is larger than the sum of its proper divisors (6894161).

13960431 is an equidigital number, since it uses as much as digits as its factorization.

13960431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172363 (or 172354 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13960431 is about 3736.3660152614. The cubic root of 13960431 is about 240.7869480661.

The spelling of 13960431 in words is "thirteen million, nine hundred sixty thousand, four hundred thirty-one".