12632109 has 16 divisors (see below), whose sum is σ = 19324032. Its totient is φ = 7190208.

The previous prime is 12632101. The next prime is 12632117. The reversal of 12632109 is 90123621.

It is an interprime number because it is at equal distance from previous prime (12632101) and next prime (12632117).

It is not a de Polignac number, because 12632109 - 2³ = 12632101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632101) 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, 5127 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (1207752).

Almost surely, 2^12632109 is an apocalyptic number.

It is an amenable number.

12632109 is a deficient number, since it is larger than the sum of its proper divisors (6691923).

12632109 is a wasteful number, since it uses less digits than its factorization.

12632109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12632109 is about 3554.1678350916. The cubic root of 12632109 is about 232.8941723784.

The spelling of 12632109 in words is "twelve million, six hundred thirty-two thousand, one hundred nine".