13432403 has 2 divisors, whose sum is σ = 13432404. Its totient is φ = 13432402.

The previous prime is 13432399. The next prime is 13432429. The reversal of 13432403 is 30423431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13432403 - 2² = 13432399 is a prime.

It is not a weakly prime, because it can be changed into another prime (13432493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716201 + 6716202.

It is an arithmetic number, because the mean of its divisors is an integer number (6716202).

Almost surely, 2^13432403 is an apocalyptic number.

13432403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432403 is an equidigital number, since it uses as much as digits as its factorization.

13432403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13432403 is about 3665.0242836849. The cubic root of 13432403 is about 237.7120720729.

Adding to 13432403 its reverse (30423431), we get a palindrome (43855834).

The spelling of 13432403 in words is "thirteen million, four hundred thirty-two thousand, four hundred three".