13402235 has 24 divisors (see below), whose sum is σ = 20413296. Its totient is φ = 8352960.

The previous prime is 13402229. The next prime is 13402237. The reversal of 13402235 is 53220431.

It is a happy number.

It is not a de Polignac number, because 13402235 - 2¹⁰ = 13401211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13402237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (850554).

Almost surely, 2^13402235 is an apocalyptic number.

13402235 is a deficient number, since it is larger than the sum of its proper divisors (7011061).

13402235 is a wasteful number, since it uses less digits than its factorization.

13402235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13402235 is about 3660.9063085526. The cubic root of 13402235 is about 237.5339785180.

Adding to 13402235 its reverse (53220431), we get a palindrome (66622666).

The spelling of 13402235 in words is "thirteen million, four hundred two thousand, two hundred thirty-five".