13988733 has 16 divisors (see below), whose sum is σ = 20539200. Its totient is φ = 8398080.

The previous prime is 13988713. The next prime is 13988783. The reversal of 13988733 is 33788931.

It is not a de Polignac number, because 13988733 - 2⁸ = 13988477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13988713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (1283700).

Almost surely, 2^13988733 is an apocalyptic number.

It is an amenable number.

13988733 is a deficient number, since it is larger than the sum of its proper divisors (6550467).

13988733 is a wasteful number, since it uses less digits than its factorization.

13988733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its digits is 108864, while the sum is 42.

The square root of 13988733 is about 3740.1514675211. The cubic root of 13988733 is about 240.9495541299.

The spelling of 13988733 in words is "thirteen million, nine hundred eighty-eight thousand, seven hundred thirty-three".