13337445 has 16 divisors (see below), whose sum is σ = 23280192. Its totient is φ = 6466560.

The previous prime is 13337431. The next prime is 13337453. The reversal of 13337445 is 54473331.

13337445 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13337445 - 2⁶ = 13337381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40252 + ... + 40581.

It is an arithmetic number, because the mean of its divisors is an integer number (1455012).

Almost surely, 2^13337445 is an apocalyptic number.

13337445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13337445 is a deficient number, since it is larger than the sum of its proper divisors (9942747).

13337445 is a wasteful number, since it uses less digits than its factorization.

13337445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80852.

The product of its digits is 15120, while the sum is 30.

The square root of 13337445 is about 3652.0466864486. The cubic root of 13337445 is about 237.1505923937.

It can be divided in two parts, 1333 and 7445, that added together give a palindrome (8778).

The spelling of 13337445 in words is "thirteen million, three hundred thirty-seven thousand, four hundred forty-five".