13751957 has 4 divisors (see below), whose sum is σ = 13791936. Its totient is φ = 13711980.

The previous prime is 13751911. The next prime is 13751971. The reversal of 13751957 is 75915731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75915731 = 6959 ⋅10909.

It is a cyclic number.

It is not a de Polignac number, because 13751957 - 2¹² = 13747861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13751957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13751977) 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, 19469 + ... + 20162.

It is an arithmetic number, because the mean of its divisors is an integer number (3447984).

Almost surely, 2^13751957 is an apocalyptic number.

It is an amenable number.

13751957 is a deficient number, since it is larger than the sum of its proper divisors (39979).

13751957 is an equidigital number, since it uses as much as digits as its factorization.

13751957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39978.

The product of its digits is 33075, while the sum is 38.

The square root of 13751957 is about 3708.3631159853. The cubic root of 13751957 is about 239.5823581426.

The spelling of 13751957 in words is "thirteen million, seven hundred fifty-one thousand, nine hundred fifty-seven".