13952881 has 8 divisors (see below), whose sum is σ = 14736960. Its totient is φ = 13183632.

The previous prime is 13952863. The next prime is 13952893. The reversal of 13952881 is 18825931.

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 13952881 - 2⁷ = 13952753 is a prime.

It is a super-2 number, since 2×13952881² = 389365776400322, which contains 22 as substring.

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 13952881.

It is not an unprimeable number, because it can be changed into a prime (13952831) 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, 1746 + ... + 5563.

It is an arithmetic number, because the mean of its divisors is an integer number (1842120).

Almost surely, 2^13952881 is an apocalyptic number.

It is an amenable number.

13952881 is a deficient number, since it is larger than the sum of its proper divisors (784079).

13952881 is an equidigital number, since it uses as much as digits as its factorization.

13952881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415.

The product of its digits is 17280, while the sum is 37.

The square root of 13952881 is about 3735.3555386335. The cubic root of 13952881 is about 240.7435332346.

The spelling of 13952881 in words is "thirteen million, nine hundred fifty-two thousand, eight hundred eighty-one".