12326477 has 4 divisors (see below), whose sum is σ = 12395520. Its totient is φ = 12257436.

The previous prime is 12326473. The next prime is 12326519. The reversal of 12326477 is 77462321.

12326477 = T₂₇₈ + T₂₇₉ + ... + T₄₅₆.

12326477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77462321 = 23 ⋅3367927.

It is a cyclic number.

It is not a de Polignac number, because 12326477 - 2² = 12326473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326471) 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, 34253 + ... + 34610.

It is an arithmetic number, because the mean of its divisors is an integer number (3098880).

Almost surely, 2^12326477 is an apocalyptic number.

It is an amenable number.

12326477 is a deficient number, since it is larger than the sum of its proper divisors (69043).

12326477 is an equidigital number, since it uses as much as digits as its factorization.

12326477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69042.

The product of its digits is 14112, while the sum is 32.

The square root of 12326477 is about 3510.9082870391. The cubic root of 12326477 is about 231.0005372201. Note that the first 3 decimals are identical.

Adding to 12326477 its reverse (77462321), we get a palindrome (89788798).

The spelling of 12326477 in words is "twelve million, three hundred twenty-six thousand, four hundred seventy-seven".