12369621 has 8 divisors (see below), whose sum is σ = 17992224. Its totient is φ = 7496720.

The previous prime is 12369613. The next prime is 12369629. The reversal of 12369621 is 12696321.

It is an interprime number because it is at equal distance from previous prime (12369613) and next prime (12369629).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12369621 - 2³ = 12369613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12369629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187386 + ... + 187451.

It is an arithmetic number, because the mean of its divisors is an integer number (2249028).

Almost surely, 2^12369621 is an apocalyptic number.

12369621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12369621 is a deficient number, since it is larger than the sum of its proper divisors (5622603).

12369621 is a wasteful number, since it uses less digits than its factorization.

12369621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374851.

The product of its digits is 3888, while the sum is 30.

The square root of 12369621 is about 3517.0471990009. The cubic root of 12369621 is about 231.2697323313.

The spelling of 12369621 in words is "twelve million, three hundred sixty-nine thousand, six hundred twenty-one".