10503890 has 16 divisors (see below), whose sum is σ = 18946008. Its totient is φ = 4192896.

The previous prime is 10503877. The next prime is 10503917. The reversal of 10503890 is 9830501.

It can be written as a sum of positive squares in 4 ways, for example, as 10491121 + 12769 = 3239^2 + 113^2 .

It is a super-2 number, since 2×10503890² = 220663410264200, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614 + ... + 8046.

Almost surely, 2^10503890 is an apocalyptic number.

10503890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10503890 is a deficient number, since it is larger than the sum of its proper divisors (8442118).

10503890 is a wasteful number, since it uses less digits than its factorization.

10503890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10503890 is about 3240.9705336519. The cubic root of 10503890 is about 219.0029954484.

The spelling of 10503890 in words is "ten million, five hundred three thousand, eight hundred ninety".