13952280 has 32 divisors (see below), whose sum is σ = 41857200. Its totient is φ = 3720576.

The previous prime is 13952231. The next prime is 13952287. The reversal of 13952280 is 8225931.

It is a happy number.

It is a super-2 number, since 2×13952280² = 389332234396800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13952287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58015 + ... + 58254.

Almost surely, 2^13952280 is an apocalyptic number.

13952280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13952280 is an abundant number, since it is smaller than the sum of its proper divisors (27904920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13952280 is a wasteful number, since it uses less digits than its factorization.

13952280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116283 (or 116279 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13952280 is about 3735.2750902711. The cubic root of 13952280 is about 240.7400766261.

The spelling of 13952280 in words is "thirteen million, nine hundred fifty-two thousand, two hundred eighty".