12578002 has 16 divisors (see below), whose sum is σ = 20005632. Its totient is φ = 5920560.

The previous prime is 12577997. The next prime is 12578009. The reversal of 12578002 is 20087521.

It is a super-2 number, since 2×12578002² = 316412268624008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12578009) 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, 448 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (1250352).

Almost surely, 2^12578002 is an apocalyptic number.

12578002 is a deficient number, since it is larger than the sum of its proper divisors (7427630).

12578002 is a wasteful number, since it uses less digits than its factorization.

12578002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 12578002 is about 3546.5478990139. The cubic root of 12578002 is about 232.5611786435.

The spelling of 12578002 in words is "twelve million, five hundred seventy-eight thousand, two".