12501890 has 8 divisors (see below), whose sum is σ = 22503420. Its totient is φ = 5000752.

The previous prime is 12501887. The next prime is 12501899. The reversal of 12501890 is 9810521.

It is a happy number.

12501890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11566801 + 935089 = 3401^2 + 967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12501899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625085 + ... + 625104.

Almost surely, 2^12501890 is an apocalyptic number.

12501890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12501890 is a deficient number, since it is larger than the sum of its proper divisors (10001530).

12501890 is a wasteful number, since it uses less digits than its factorization.

12501890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250196.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 12501890 is about 3535.8011821934. The cubic root of 12501890 is about 232.0911378950.

The spelling of 12501890 in words is "twelve million, five hundred one thousand, eight hundred ninety".