13988233 has 4 divisors (see below), whose sum is σ = 15986560. Its totient is φ = 11989908.

The previous prime is 13988231. The next prime is 13988243. The reversal of 13988233 is 33288931.

13988233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13988233 - 2¹ = 13988231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13988192 and 13988201.

It is not an unprimeable number, because it can be changed into a prime (13988231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999153 + ... + 999166.

It is an arithmetic number, because the mean of its divisors is an integer number (3996640).

Almost surely, 2^13988233 is an apocalyptic number.

It is an amenable number.

13988233 is a deficient number, since it is larger than the sum of its proper divisors (1998327).

13988233 is an equidigital number, since it uses as much as digits as its factorization.

13988233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998326.

The product of its digits is 31104, while the sum is 37.

The square root of 13988233 is about 3740.0846247111. The cubic root of 13988233 is about 240.9466833382.

The spelling of 13988233 in words is "thirteen million, nine hundred eighty-eight thousand, two hundred thirty-three".