13433988 has 24 divisors (see below), whose sum is σ = 32996320. Its totient is φ = 4242240.

The previous prime is 13433983. The next prime is 13433999. The reversal of 13433988 is 88933431.

13433988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13433983) 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, 29233 + ... + 29688.

Almost surely, 2^13433988 is an apocalyptic number.

It is an amenable number.

13433988 is an abundant number, since it is smaller than the sum of its proper divisors (19562332).

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

13433988 is a wasteful number, since it uses less digits than its factorization.

13433988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58947 (or 58945 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 13433988 is about 3665.2405105259. The cubic root of 13433988 is about 237.7214215744.

The spelling of 13433988 in words is "thirteen million, four hundred thirty-three thousand, nine hundred eighty-eight".