12551079 has 4 divisors (see below), whose sum is σ = 16734776. Its totient is φ = 8367384.

The previous prime is 12551059. The next prime is 12551101. The reversal of 12551079 is 97015521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97015521 = 3 ⋅32338507.

It is a de Polignac number, because none of the positive numbers 2^k-12551079 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 (12551009) 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, 2091844 + ... + 2091849.

It is an arithmetic number, because the mean of its divisors is an integer number (4183694).

Almost surely, 2^12551079 is an apocalyptic number.

12551079 is a deficient number, since it is larger than the sum of its proper divisors (4183697).

12551079 is an equidigital number, since it uses as much as digits as its factorization.

12551079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183696.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 12551079 is about 3542.7502028791. The cubic root of 12551079 is about 232.3951290252.

The spelling of 12551079 in words is "twelve million, five hundred fifty-one thousand, seventy-nine".