13931077 has 8 divisors (see below), whose sum is σ = 14579136. Its totient is φ = 13286592.

The previous prime is 13931069. The next prime is 13931087. The reversal of 13931077 is 77013931.

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 13931077 - 2³ = 13931069 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 (13931017) 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, 10093 + ... + 11389.

It is an arithmetic number, because the mean of its divisors is an integer number (1822392).

Almost surely, 2^13931077 is an apocalyptic number.

It is an amenable number.

13931077 is a deficient number, since it is larger than the sum of its proper divisors (648059).

13931077 is a wasteful number, since it uses less digits than its factorization.

13931077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13931077 is about 3732.4357998497. The cubic root of 13931077 is about 240.6180655111.

The spelling of 13931077 in words is "thirteen million, nine hundred thirty-one thousand, seventy-seven".