13953957 has 16 divisors (see below), whose sum is σ = 19776960. Its totient is φ = 8721152.

The previous prime is 13953931. The next prime is 13953997. The reversal of 13953957 is 75935931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13953957 - 2¹⁶ = 13888421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13953997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21043 + ... + 21695.

It is an arithmetic number, because the mean of its divisors is an integer number (1236060).

Almost surely, 2^13953957 is an apocalyptic number.

13953957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13953957 is a deficient number, since it is larger than the sum of its proper divisors (5823003).

13953957 is a wasteful number, since it uses less digits than its factorization.

13953957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its digits is 127575, while the sum is 42.

The square root of 13953957 is about 3735.4995649846. The cubic root of 13953957 is about 240.7497215237.

The spelling of 13953957 in words is "thirteen million, nine hundred fifty-three thousand, nine hundred fifty-seven".