12669450 has 24 divisors (see below), whose sum is σ = 31420608. Its totient is φ = 3378480.

The previous prime is 12669439. The next prime is 12669463. The reversal of 12669450 is 5496621.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42082 + ... + 42381.

It is an arithmetic number, because the mean of its divisors is an integer number (1309192).

Almost surely, 2^12669450 is an apocalyptic number.

12669450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12669450 is an abundant number, since it is smaller than the sum of its proper divisors (18751158).

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

12669450 is a wasteful number, since it uses less digits than its factorization.

12669450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84478 (or 84473 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 12669450 is about 3559.4170871085. The cubic root of 12669450 is about 233.1234280070.

The spelling of 12669450 in words is "twelve million, six hundred sixty-nine thousand, four hundred fifty".