12690501 has 16 divisors (see below), whose sum is σ = 17760768. Its totient is φ = 8049600.

The previous prime is 12690473. The next prime is 12690511. The reversal of 12690501 is 10509621.

It is not a de Polignac number, because 12690501 - 2⁶ = 12690437 is a prime.

It is a super-2 number, since 2×12690501² = 322097631262002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12690511) 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, 4555 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (1110048).

Almost surely, 2^12690501 is an apocalyptic number.

It is an amenable number.

12690501 is a deficient number, since it is larger than the sum of its proper divisors (5070267).

12690501 is a wasteful number, since it uses less digits than its factorization.

12690501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 12690501 is about 3562.3729451027. The cubic root of 12690501 is about 233.2524724347.

The spelling of 12690501 in words is "twelve million, six hundred ninety thousand, five hundred one".