13499952 has 20 divisors (see below), whose sum is σ = 34875000. Its totient is φ = 4499968.

The previous prime is 13499939. The next prime is 13499999. The reversal of 13499952 is 25999431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140577 + ... + 140672.

It is an arithmetic number, because the mean of its divisors is an integer number (1743750).

Almost surely, 2^13499952 is an apocalyptic number.

13499952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13499952 is an abundant number, since it is smaller than the sum of its proper divisors (21375048).

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

13499952 is a wasteful number, since it uses less digits than its factorization.

13499952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281260 (or 281254 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 13499952 is about 3674.2280821963. The cubic root of 13499952 is about 238.1098755903.

The spelling of 13499952 in words is "thirteen million, four hundred ninety-nine thousand, nine hundred fifty-two".