12551651 has 8 divisors (see below), whose sum is σ = 14366304. Its totient is φ = 10742400.

The previous prime is 12551641. The next prime is 12551653. The reversal of 12551651 is 15615521.

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 12551651 - 2⁶ = 12551587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12551651.

It is not an unprimeable number, because it can be changed into a prime (12551653) 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, 7661 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (1795788).

Almost surely, 2^12551651 is an apocalyptic number.

12551651 is a deficient number, since it is larger than the sum of its proper divisors (1814653).

12551651 is a wasteful number, since it uses less digits than its factorization.

12551651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

The product of its digits is 1500, while the sum is 26.

The square root of 12551651 is about 3542.8309302026. The cubic root of 12551651 is about 232.3986593457.

The spelling of 12551651 in words is "twelve million, five hundred fifty-one thousand, six hundred fifty-one".