13158403 has 2 divisors, whose sum is σ = 13158404. Its totient is φ = 13158402.

The previous prime is 13158389. The next prime is 13158413. The reversal of 13158403 is 30485131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13158403 - 2¹³ = 13150211 is a prime.

It is not a weakly prime, because it can be changed into another prime (13158413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579201 + 6579202.

It is an arithmetic number, because the mean of its divisors is an integer number (6579202).

Almost surely, 2^13158403 is an apocalyptic number.

13158403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13158403 is an equidigital number, since it uses as much as digits as its factorization.

13158403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13158403 is about 3627.4513091150. The cubic root of 13158403 is about 236.0846376019.

The spelling of 13158403 in words is "thirteen million, one hundred fifty-eight thousand, four hundred three".