13903045 has 16 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 10165824.

The previous prime is 13903033. The next prime is 13903051. The reversal of 13903045 is 54030931.

It is a cyclic number.

It is not a de Polignac number, because 13903045 - 2⁹ = 13902533 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, 5956 + ... + 7954.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^13903045 is an apocalyptic number.

It is an amenable number.

13903045 is a deficient number, since it is larger than the sum of its proper divisors (4240955).

13903045 is a wasteful number, since it uses less digits than its factorization.

13903045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13903045 is about 3728.6787204049. The cubic root of 13903045 is about 240.4565672350.

Adding to 13903045 its reverse (54030931), we get a palindrome (67933976).

The spelling of 13903045 in words is "thirteen million, nine hundred three thousand, forty-five".