103953812 has 6 divisors (see below), whose sum is σ = 181919178. Its totient is φ = 51976904.

The previous prime is 103953799. The next prime is 103953823. The reversal of 103953812 is 218359301.

It can be written as a sum of positive squares in only one way, i.e., 53202436 + 50751376 = 7294^2 + 7124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12994223 + ... + 12994230.

It is an arithmetic number, because the mean of its divisors is an integer number (30319863).

Almost surely, 2^103953812 is an apocalyptic number.

It is an amenable number.

103953812 is a deficient number, since it is larger than the sum of its proper divisors (77965366).

103953812 is a wasteful number, since it uses less digits than its factorization.

103953812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25988457 (or 25988455 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 103953812 is about 10195.7742226866. The cubic root of 103953812 is about 470.1973096416.

The spelling of 103953812 in words is "one hundred three million, nine hundred fifty-three thousand, eight hundred twelve".