13260042 has 24 divisors (see below), whose sum is σ = 28797444. Its totient is φ = 4409664.

The previous prime is 13260019. The next prime is 13260053. The reversal of 13260042 is 24006231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12047841 + 1212201 = 3471^2 + 1101^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13259997 and 13260024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13438 + ... + 14390.

Almost surely, 2^13260042 is an apocalyptic number.

13260042 is an abundant number, since it is smaller than the sum of its proper divisors (15537402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13260042 is a wasteful number, since it uses less digits than its factorization.

13260042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13260042 is about 3641.4340581699. The cubic root of 13260042 is about 236.6909393430.

Adding to 13260042 its reverse (24006231), we get a palindrome (37266273).

It can be divided in two parts, 1326004 and 2, that added together give a triangular number (1326006 = T₁₆₂₈).

The spelling of 13260042 in words is "thirteen million, two hundred sixty thousand, forty-two".