12361651 has 2 divisors, whose sum is σ = 12361652. Its totient is φ = 12361650.

The previous prime is 12361619. The next prime is 12361673. The reversal of 12361651 is 15616321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12361651 - 2⁵ = 12361619 is a prime.

It is not a weakly prime, because it can be changed into another prime (12361351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180825 + 6180826.

It is an arithmetic number, because the mean of its divisors is an integer number (6180826).

Almost surely, 2^12361651 is an apocalyptic number.

12361651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12361651 is an equidigital number, since it uses as much as digits as its factorization.

12361651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 12361651 is about 3515.9139636800. The cubic root of 12361651 is about 231.2200510521.

Adding to 12361651 its reverse (15616321), we get a palindrome (27977972).

The spelling of 12361651 in words is "twelve million, three hundred sixty-one thousand, six hundred fifty-one".