13880070 has 48 divisors (see below), whose sum is σ = 37992240. Its totient is φ = 3506112.

The previous prime is 13880057. The next prime is 13880077. The reversal of 13880070 is 7008831.

13880070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880077) 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, 2349 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (791505).

Almost surely, 2^13880070 is an apocalyptic number.

13880070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13880070 is an abundant number, since it is smaller than the sum of its proper divisors (24112170).

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

13880070 is a wasteful number, since it uses less digits than its factorization.

13880070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149 (or 8146 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 13880070 is about 3725.5965965198. The cubic root of 13880070 is about 240.3240414578.

It can be divided in two parts, 138 and 80070, that added together give a palindrome (80208).

The spelling of 13880070 in words is "thirteen million, eight hundred eighty thousand, seventy".