13432445 has 16 divisors (see below), whose sum is σ = 17463600. Its totient is φ = 9859584.

The previous prime is 13432429. The next prime is 13432451. The reversal of 13432445 is 54423431.

It can be written as a sum of positive squares in 8 ways, for example, as 1119364 + 12313081 = 1058^2 + 3509^2 .

It is a cyclic number.

It is not a de Polignac number, because 13432445 - 2⁴ = 13432429 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, 12281 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475).

Almost surely, 2^13432445 is an apocalyptic number.

It is an amenable number.

13432445 is a deficient number, since it is larger than the sum of its proper divisors (4031155).

13432445 is a wasteful number, since it uses less digits than its factorization.

13432445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264.

The product of its digits is 5760, while the sum is 26.

The square root of 13432445 is about 3665.0300135197. The cubic root of 13432445 is about 237.7123198294.

Adding to 13432445 its reverse (54423431), we get a palindrome (67855876).

The spelling of 13432445 in words is "thirteen million, four hundred thirty-two thousand, four hundred forty-five".