13744380 has 96 divisors (see below), whose sum is σ = 42223104. Its totient is φ = 3320064.

The previous prime is 13744369. The next prime is 13744399. The reversal of 13744380 is 8344731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52129 + ... + 52391.

It is an arithmetic number, because the mean of its divisors is an integer number (439824).

Almost surely, 2^13744380 is an apocalyptic number.

13744380 is a gapful number since it is divisible by the number (10) 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 13744380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21111552).

13744380 is an abundant number, since it is smaller than the sum of its proper divisors (28478724).

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

13744380 is a wasteful number, since it uses less digits than its factorization.

13744380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 13744380 is about 3707.3413654531. The cubic root of 13744380 is about 239.5383486724.

The spelling of 13744380 in words is "thirteen million, seven hundred forty-four thousand, three hundred eighty".