13403052 has 54 divisors (see below), whose sum is σ = 36703212. Its totient is φ = 4122144.

The previous prime is 13403041. The next prime is 13403053. The reversal of 13403052 is 25030431.

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

It is not an unprimeable number, because it can be changed into a prime (13403053) 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 17 ways as a sum of consecutive naturals, for example, 4983 + ... + 7185.

Almost surely, 2^13403052 is an apocalyptic number.

13403052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13403052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18351606).

13403052 is an abundant number, since it is smaller than the sum of its proper divisors (23300160).

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

13403052 is a wasteful number, since it uses less digits than its factorization.

13403052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13403052 is about 3661.0178912428. The cubic root of 13403052 is about 237.5388051090.

Adding to 13403052 its reverse (25030431), we get a palindrome (38433483).

The spelling of 13403052 in words is "thirteen million, four hundred three thousand, fifty-two".