13356645 has 16 divisors (see below), whose sum is σ = 22628160. Its totient is φ = 6704384.

The previous prime is 13356643. The next prime is 13356647. The reversal of 13356645 is 54665331.

It is an interprime number because it is at equal distance from previous prime (13356643) and next prime (13356647).

It is a cyclic number.

It is not a de Polignac number, because 13356645 - 2¹ = 13356643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356643) 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, 25935 + ... + 26444.

It is an arithmetic number, because the mean of its divisors is an integer number (1414260).

Almost surely, 2^13356645 is an apocalyptic number.

13356645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13356645 is a deficient number, since it is larger than the sum of its proper divisors (9271515).

13356645 is a wasteful number, since it uses less digits than its factorization.

13356645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52404.

The product of its digits is 32400, while the sum is 33.

The square root of 13356645 is about 3654.6744041022. The cubic root of 13356645 is about 237.2643350236.

The spelling of 13356645 in words is "thirteen million, three hundred fifty-six thousand, six hundred forty-five".