13055742 has 80 divisors (see below), whose sum is σ = 34673760. Its totient is φ = 3592512.

The previous prime is 13055737. The next prime is 13055747. The reversal of 13055742 is 24755031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13055737) and next prime (13055747).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055747) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32688 + ... + 33084.

It is an arithmetic number, because the mean of its divisors is an integer number (433422).

Almost surely, 2^13055742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13055742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17336880).

13055742 is an abundant number, since it is smaller than the sum of its proper divisors (21618018).

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

13055742 is a wasteful number, since it uses less digits than its factorization.

13055742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13055742 is about 3613.2730314771. The cubic root of 13055742 is about 235.4690616179.

The spelling of 13055742 in words is "thirteen million, fifty-five thousand, seven hundred forty-two".