13952257 has 8 divisors (see below), whose sum is σ = 16116192. Its totient is φ = 11937600.

The previous prime is 13952231. The next prime is 13952287. The reversal of 13952257 is 75225931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13952257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13952287) 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, 37119 + ... + 37492.

It is an arithmetic number, because the mean of its divisors is an integer number (2014524).

Almost surely, 2^13952257 is an apocalyptic number.

13952257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13952257 is a deficient number, since it is larger than the sum of its proper divisors (2163935).

13952257 is a wasteful number, since it uses less digits than its factorization.

13952257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74639.

The product of its digits is 18900, while the sum is 34.

The square root of 13952257 is about 3735.2720115140. The cubic root of 13952257 is about 240.7399443413.

The spelling of 13952257 in words is "thirteen million, nine hundred fifty-two thousand, two hundred fifty-seven".