12354664 has 24 divisors (see below), whose sum is σ = 26947890. Its totient is φ = 5294688.

The previous prime is 12354637. The next prime is 12354673. The reversal of 12354664 is 46645321.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 396900 = 3458^2 + 630^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15367 + ... + 16150.

Almost surely, 2^12354664 is an apocalyptic number.

12354664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12354664 is an abundant number, since it is smaller than the sum of its proper divisors (14593226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12354664 is a wasteful number, since it uses less digits than its factorization.

12354664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31537 (or 31526 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 12354664 is about 3514.9201982406. The cubic root of 12354664 is about 231.1764797695.

Adding to 12354664 its reverse (46645321), we get a palindrome (58999985).

The spelling of 12354664 in words is "twelve million, three hundred fifty-four thousand, six hundred sixty-four".