12501045 has 24 divisors (see below), whose sum is σ = 21936096. Its totient is φ = 6584928.

The previous prime is 12501043. The next prime is 12501053. The reversal of 12501045 is 54010521.

12501045 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12501045 - 2¹ = 12501043 is a prime.

It is a super-2 number, since 2×12501045² = 312552252184050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2062 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (914004).

Almost surely, 2^12501045 is an apocalyptic number.

12501045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12501045 is a deficient number, since it is larger than the sum of its proper divisors (9435051).

12501045 is a wasteful number, since it uses less digits than its factorization.

12501045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12501045 is about 3535.6816881614. The cubic root of 12501045 is about 232.0859087809.

Adding to 12501045 its reverse (54010521), we get a palindrome (66511566).

The spelling of 12501045 in words is "twelve million, five hundred one thousand, forty-five".