12578061 has 8 divisors (see below), whose sum is σ = 16807680. Its totient is φ = 8366912.

The previous prime is 12578047. The next prime is 12578063. The reversal of 12578061 is 16087521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12578061 - 2⁵ = 12578029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578063) 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, 2940 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (2100960).

Almost surely, 2^12578061 is an apocalyptic number.

It is an amenable number.

12578061 is a deficient number, since it is larger than the sum of its proper divisors (4229619).

12578061 is an equidigital number, since it uses as much as digits as its factorization.

12578061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12578061 is about 3546.5562169519. The cubic root of 12578061 is about 232.5615422701.

The spelling of 12578061 in words is "twelve million, five hundred seventy-eight thousand, sixty-one".