10203412 has 6 divisors (see below), whose sum is σ = 17855978. Its totient is φ = 5101704.

The previous prime is 10203397. The next prime is 10203443. The reversal of 10203412 is 21430201.

It can be written as a sum of positive squares in only one way, i.e., 9024016 + 1179396 = 3004^2 + 1086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10203392 and 10203401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275423 + ... + 1275430.

Almost surely, 2^10203412 is an apocalyptic number.

It is an amenable number.

10203412 is a deficient number, since it is larger than the sum of its proper divisors (7652566).

10203412 is a wasteful number, since it uses less digits than its factorization.

10203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550857 (or 2550855 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10203412 is about 3194.2780091908. The cubic root of 10203412 is about 216.8944675751.

Adding to 10203412 its reverse (21430201), we get a palindrome (31633613).

The spelling of 10203412 in words is "ten million, two hundred three thousand, four hundred twelve".