12551793 has 4 divisors (see below), whose sum is σ = 16735728. Its totient is φ = 8367860.

The previous prime is 12551789. The next prime is 12551857. The reversal of 12551793 is 39715521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39715521 = 3 ⋅13238507.

It is a cyclic number.

It is not a de Polignac number, because 12551793 - 2² = 12551789 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12551753) 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, 2091963 + ... + 2091968.

It is an arithmetic number, because the mean of its divisors is an integer number (4183932).

Almost surely, 2^12551793 is an apocalyptic number.

It is an amenable number.

12551793 is a deficient number, since it is larger than the sum of its proper divisors (4183935).

12551793 is an equidigital number, since it uses as much as digits as its factorization.

12551793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183934.

The product of its digits is 9450, while the sum is 33.

The square root of 12551793 is about 3542.8509706167. The cubic root of 12551793 is about 232.3995357373.

The spelling of 12551793 in words is "twelve million, five hundred fifty-one thousand, seven hundred ninety-three".