12361619 has 2 divisors, whose sum is σ = 12361620. Its totient is φ = 12361618.

The previous prime is 12361607. The next prime is 12361651. The reversal of 12361619 is 91616321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12361619 is a prime.

It is a super-2 number, since 2×12361619² = 305619248602322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12361591 and 12361600.

It is not a weakly prime, because it can be changed into another prime (12361819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180809 + 6180810.

It is an arithmetic number, because the mean of its divisors is an integer number (6180810).

Almost surely, 2^12361619 is an apocalyptic number.

12361619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12361619 is an equidigital number, since it uses as much as digits as its factorization.

12361619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 12361619 is about 3515.9094129400. The cubic root of 12361619 is about 231.2198515359.

The spelling of 12361619 in words is "twelve million, three hundred sixty-one thousand, six hundred nineteen".