13952240 has 40 divisors (see below), whose sum is σ = 34350480. Its totient is φ = 5252096.

The previous prime is 13952231. The next prime is 13952287. The reversal of 13952240 is 4225931.

13952240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3770 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (858762).

Almost surely, 2^13952240 is an apocalyptic number.

13952240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13952240 is an abundant number, since it is smaller than the sum of its proper divisors (20398240).

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

13952240 is a wasteful number, since it uses less digits than its factorization.

13952240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289 (or 10283 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13952240 is about 3735.2697359093. The cubic root of 13952240 is about 240.7398465655.

The spelling of 13952240 in words is "thirteen million, nine hundred fifty-two thousand, two hundred forty".