12609377 has 4 divisors (see below), whose sum is σ = 13755696. Its totient is φ = 11463060.

The previous prime is 12609367. The next prime is 12609413. The reversal of 12609377 is 77390621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12609377 - 2¹⁰ = 12608353 is a prime.

It is a super-3 number, since 3×12609377³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12609367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573143 + ... + 573164.

It is an arithmetic number, because the mean of its divisors is an integer number (3438924).

Almost surely, 2^12609377 is an apocalyptic number.

It is an amenable number.

12609377 is a deficient number, since it is larger than the sum of its proper divisors (1146319).

12609377 is a wasteful number, since it uses less digits than its factorization.

12609377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146318.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 12609377 is about 3550.9684594488. The cubic root of 12609377 is about 232.7543876128.

Adding to 12609377 its reverse (77390621), we get a palindrome (89999998).

The spelling of 12609377 in words is "twelve million, six hundred nine thousand, three hundred seventy-seven".