13045389 has 32 divisors (see below), whose sum is σ = 21258240. Its totient is φ = 6955200.

The previous prime is 13045387. The next prime is 13045391. The reversal of 13045389 is 98354031.

13045389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13045387) and next prime (13045391).

It is not a de Polignac number, because 13045389 - 2¹ = 13045387 is a prime.

It is a super-2 number, since 2×13045389² = 340364348322642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18534 + ... + 19224.

It is an arithmetic number, because the mean of its divisors is an integer number (664320).

Almost surely, 2^13045389 is an apocalyptic number.

It is an amenable number.

13045389 is a deficient number, since it is larger than the sum of its proper divisors (8212851).

13045389 is a wasteful number, since it uses less digits than its factorization.

13045389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 13045389 is about 3611.8401127403. The cubic root of 13045389 is about 235.4068040595.

The spelling of 13045389 in words is "thirteen million, forty-five thousand, three hundred eighty-nine".