14697990 has 32 divisors (see below), whose sum is σ = 39195360. Its totient is φ = 3919392.

The previous prime is 14697953. The next prime is 14698003. The reversal of 14697990 is 9979641.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26949 + ... + 27488.

It is an arithmetic number, because the mean of its divisors is an integer number (1224855).

Almost surely, 2^14697990 is an apocalyptic number.

14697990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14697990 is an abundant number, since it is smaller than the sum of its proper divisors (24497370).

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

14697990 is a wasteful number, since it uses less digits than its factorization.

14697990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54453 (or 54447 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 14697990 is about 3833.7957692084. The cubic root of 14697990 is about 244.9548160462.

The spelling of 14697990 in words is "fourteen million, six hundred ninety-seven thousand, nine hundred ninety".