13125402 has 48 divisors (see below), whose sum is σ = 29877120. Its totient is φ = 4318272.

The previous prime is 13125401. The next prime is 13125403. The reversal of 13125402 is 20452131.

It is an interprime number because it is at equal distance from previous prime (13125401) and next prime (13125403).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54799 + ... + 55037.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^13125402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13125402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14938560).

13125402 is an abundant number, since it is smaller than the sum of its proper divisors (16751718).

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

13125402 is a wasteful number, since it uses less digits than its factorization.

13125402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13125402 is about 3622.8996673935. The cubic root of 13125402 is about 235.8871072617.

Adding to 13125402 its reverse (20452131), we get a palindrome (33577533).

The spelling of 13125402 in words is "thirteen million, one hundred twenty-five thousand, four hundred two".