13276987 has 2 divisors, whose sum is σ = 13276988. Its totient is φ = 13276986.

The previous prime is 13276973. The next prime is 13276993. The reversal of 13276987 is 78967231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13276987 - 2⁷ = 13276859 is a prime.

It is not a weakly prime, because it can be changed into another prime (13276927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6638493 + 6638494.

It is an arithmetic number, because the mean of its divisors is an integer number (6638494).

Almost surely, 2^13276987 is an apocalyptic number.

13276987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13276987 is an equidigital number, since it uses as much as digits as its factorization.

13276987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 13276987 is about 3643.7600085626. The cubic root of 13276987 is about 236.7917188313.

The spelling of 13276987 in words is "thirteen million, two hundred seventy-six thousand, nine hundred eighty-seven".