13602945 has 16 divisors (see below), whose sum is σ = 21857472. Its totient is φ = 7224000.

The previous prime is 13602923. The next prime is 13602947. The reversal of 13602945 is 54920631.

It is not a de Polignac number, because 13602945 - 2¹³ = 13594753 is a prime.

It is a super-2 number, since 2×13602945² = 370080225346050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13602947) 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, 1959 + ... + 5571.

It is an arithmetic number, because the mean of its divisors is an integer number (1366092).

Almost surely, 2^13602945 is an apocalyptic number.

13602945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13602945 is a deficient number, since it is larger than the sum of its proper divisors (8254527).

13602945 is a wasteful number, since it uses less digits than its factorization.

13602945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13602945 is about 3688.2170489276. The cubic root of 13602945 is about 238.7138665930.

The spelling of 13602945 in words is "thirteen million, six hundred two thousand, nine hundred forty-five".